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* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
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*
* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
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package org.apache.cayenne.modeler.action;
import java.sql.Connection;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import javax.swing.JOptionPane;
import org.apache.cayenne.dbsync.reverse.dbload.DbLoader;
import org.apache.cayenne.modeler.Application;
import org.apache.cayenne.modeler.dialog.db.DataSourceWizard;
import org.apache.cayenne.modeler.dialog.db.DbActionOptionsDialog;
import org.apache.cayenne.modeler.util.CayenneAction;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public abstract class DBWizardAction<T extends DbActionOptionsDialog> extends CayenneAction {
private static Logger LOGGER = LoggerFactory.getLogger(DBWizardAction.class);
public DBWizardAction(String name, Application application) {
super(name, application);
}
protected DataSourceWizard dataSourceWizardDialog(String title) {
// connect
DataSourceWizard connectWizard = new DataSourceWizard(getProjectController(), title);
if (!connectWizard.startupAction()) {
return null;
}
return connectWizard;
}
protected abstract T createDialog(Collection<String> catalogs, Collection<String> schemas, String currentCatalog, String currentSchema);
protected T loaderOptionDialog(DataSourceWizard connectWizard) {
// use this catalog as the default...
List<String> catalogs;
List<String> schemas;
String currentCatalog;
String currentSchema = null;
try(Connection connection = connectWizard.getDataSource().getConnection()) {
catalogs = getCatalogs(connectWizard, connection);
schemas = getSchemas(connection);
if (catalogs.isEmpty() && schemas.isEmpty()) {
return null;
}
currentCatalog = connection.getCatalog();
try {
currentSchema = connection.getSchema();
} catch (Throwable th) {
LOGGER.warn("Error getting schema.", th);
}
} catch (Exception ex) {
JOptionPane.showMessageDialog(
Application.getFrame(),
ex.getMessage(),
"Error loading schemas dialog",
JOptionPane.ERROR_MESSAGE);
return null;
}
final T optionsDialog = createDialog(catalogs, schemas, currentCatalog, currentSchema);
optionsDialog.setVisible(true);
if (optionsDialog.getChoice() == DbActionOptionsDialog.SELECT) {
return optionsDialog;
}
return null;
}
@SuppressWarnings("unchecked")
private List<String> getCatalogs(DataSourceWizard connectWizard, Connection connection) throws Exception {
if(!connectWizard.getAdapter().supportsCatalogsOnReverseEngineering()) {
return (List<String>) Collections.EMPTY_LIST;
}
return DbLoader.loadCatalogs(connection);
}
private List<String> getSchemas(Connection connection) throws Exception {
return DbLoader.loadSchemas(connection);
}
}